BACKGROUND Reduced surgical site infection (SSI) rates have been reported with use of closed incision negative pressure therapy (ciNPT) in high-risk patients. METHODS A deep learning-based, risk-based prediction model was developed from a large national database of 72,435 patients who received infrainguinal vascular surgeries involving upper thigh/groin incisions. Patient demographics, histories, laboratory values, and other variables were inputs to the multilayered, adaptive model. The model was then retrospectively applied to a prospectively tracked single hospital data set of 370 similar patients undergoing vascular surgery, with ciNPT or control dressings applied over the closed incision at the surgeon's discretion. Objective predictive risk scores were generated for each patient and used to categorize patients as "high" or "low" predicted risk for SSI. RESULTS Actual institutional cohort SSI rates were 10/148 (6.8%) and 28/134 (20.9%) for high-risk ciNPT versus control, respectively (P&nbsp; less then &nbsp;0.001), and 3/31 (9.7%) and 5/57 (8.8%) for low-risk ciNPT versus control, respectively (P&nbsp;=&nbsp;0.99). Application of the model to the institutional cohort suggested that 205/370 (55.4%) patients were matched with their appropriate intervention over closed surgical incision (high risk with ciNPT or low risk with control), and 165/370 (44.6%) were inappropriately matched. With the model applied to the cohort, the predicted SSI rate with perfect utilization would be 27/370 (7.3%), versus 12.4% actual rate, with estimated cost savings of $231-$458 per patient. CONCLUSIONS Compared with a subjective practice strategy, an objective risk-based strategy using prediction software may be associated with superior results in optimizing SSI rates and costs after vascular surgery. In this study, the effect of dehydration-hydration based sublamellar dimensional change on bone anisotropy was used as a tool to understand sublamellar organization of mineralized collagen fibrils. Bone consists of hydroxyapatite, Type I Collagen, mucopolysaccharides and bone fluid, which associates with bone constituents and improves the mechanical properties of bone. Knowing that dehydration causes dimensional changes comparable to those observed in the mechanical testing of a bone sample, here, the dehydrated organic component of lamellar bone was modelled to contract towards the mineral, forming a contraction vector as the surface normal of the mineral plate. The amount of dehydration based contraction in rotated collagen fibrils was calculated for two models of sublamellar arrangements, namely A and B, where the mineral plate of the 0° (axial, [0&nbsp;0&nbsp;1]) sublamellar collagen fibril was oriented respectively along either (0&nbsp;1&nbsp;0) or (0&nbsp;0&nbsp;1) planes. Projections of sublamellar contraction vectors were denoted as u, v and w displacements at 10°-20°-30° angles and summed to give the lamellar total. Using the total displacements, anisotropy ratios of properties in directions parallel (W) versus perpendicular (U or V) to the osteonal axis were calculated. With dehydration, the osteonal lamellae in Model A (behaving as positive Poisson's ratio material) may display maximal planar expansion (at 1.4%) and peraxial contraction (-0.24%), which may even cause sample warping. The large variation in the wet and dry bone anisotropy ratios of the models demonstrates the effect of collagen orientation on bone mechanics. Ankle-foot-orthoses (AFOs) are commonly prescribed to treat foot drop and enhance walking in fall-prone individuals (e.g. stroke). AFOs improve static balance but AFO-users are still at high fall risk. To our knowledge, no one has studied the biomechanical effect of AFO-use on the compensatory stepping response required to avoid falling during dynamic conditions such as trip, the leading cause of falls. The objective of this study is to evaluate the impact of a semi-rigid thermoplastic AFO on the compensatory stepping response in young healthy individuals following trip-like treadmill perturbations. We found that the AFO on the stepping leg (AFO-step) decreased trunk stability (increased trunk angle and angular velocity), shortened the compensatory step length, and reduced dynamic stability (smaller COM-BOS). AFO on the support leg (AFO-support) was only marginally different from the No-AFO condition. Detrimental changes in compensatory stepping response (e.g. decreased trunk stability) were linearly correlated to diminished propulsive impulse of the step. In summary, AFO-use on the stepping leg is associated with impaired compensatory stepping response (e.g. reduced trunk stability) and decreased propulsive impulse in young adults. It is important to note that AFO-use enhances static stability and decreases the probability of a trip/stumble occurring indicating they are important for fall prevention. Still, our results suggest that AFO-use may impair the compensatory stepping response after a trip/stumble has occurred and may suggest that preserving plantarflexion function may support the compensatory stepping response. Further study of these devices and their impact on compensatory stepping response in fall-prone individuals is warranted. BACKGROUND Long-term conditions are common in people living with dementia; their self-management is an important determinant of wellbeing. https://www.selleckchem.com/products/ted-347.html Family carers often support or substitute self-care activities, and act as proxies for self-management, as dementia progresses. OBJECTIVES To conduct the first systematic review of how management of long-term conditions in people with dementia is best enabled and supported, including factors that facilitate or inhibit self-management and management by a proxy. DESIGN Systematic review. DATA SOURCES We systematically searched MEDLINE, PsychINFO, Embase and Allied and Complementary Medicine databases up to November 2018. REVIEW METHODS We identified the long-term conditions most prevalent in people with dementia that require an element of self-management. We then developed our inclusion criteria to identify qualitative and quantitative studies describing the self-management (or self-management assisted by family carers) of long-term conditions in people with dementia. Two authors independently rated study validity using a standardised checklist.